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Beckman AL, Tietschert M, Old A, Orav EJ, Singer SJ, Figueroa JF.Beckman AL, et al. Among authors: orav ej.BMJ Open Qual. 2023 Jul;12(3):e002271. doi: 10.1136/bmjoq-2023-002271.BMJ Open Qual. 2023.PMID: 37491105Free PMC article.